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NVD Vulnerability Details :

CVE-2007-5634

Modified

Source-cve@mitre.org

Published At-23 Oct, 2007 | 17:46

Updated At-23 Apr, 2026 | 00:35

Speedfan.sys in Alfredo Milani Comparetti SpeedFan 4.33, when used on Microsoft Windows Vista x64, does not properly check a buffer during an IOCTL 0x9c402420 call, which allows local users to cause a denial of service (machine crash) and possibly gain privileges via unspecified vectors.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	2.0	4.9	MEDIUM	AV:L/AC:L/Au:N/C:N/I:N/A:C

Type: Primary

Version: 2.0

Base score: 4.9

Base severity: MEDIUM

Vector:

AV:L/AC:L/Au:N/C:N/I:N/A:C

CPE Matches

Microsoft Corporation

>>windows_vista>>*

cpe:2.3:o:microsoft:windows_vista:*:*:x64:*:*:*:*:*

almico>>speedfan>>4.33

cpe:2.3:a:almico:speedfan:4.33:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-119	Primary	nvd@nist.gov

CWE ID: CWE-119

Type: Primary

Source: nvd@nist.gov

References

Hyperlink	Source	Resource
http://secunia.com/advisories/27312	cve@mitre.org	N/A
http://www.bugtrack.almico.com/view.php?id=987	cve@mitre.org	Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/37299	cve@mitre.org	N/A
http://secunia.com/advisories/27312	af854a3a-2127-422b-91ae-364da2661108	N/A
http://www.bugtrack.almico.com/view.php?id=987	af854a3a-2127-422b-91ae-364da2661108	Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/37299	af854a3a-2127-422b-91ae-364da2661108	N/A